Airwallex Billing vs OpenBRM

Airwallex Billing brings invoicing, subscriptions, and usage-based pricing together on a global payments platform. Businesses can bill in more than 130 currencies and collect through more than 160 global and local payment methods. Supported models include flat-fee, tiered, pay-as-you-go, and hybrid billing. The platform can send invoices, retry failed payments, issue reminders, and reconcile incoming payments with ERP and accounting software. Its tax automation calculates GST, VAT, and sales tax based on customer location and product category. Customers can manage products, pricing, invoices, and subscriptions in the web app or use APIs for custom integrations and workflows. Listed accounting integrations include Xero, QuickBooks, NetSuite, Microsoft Dynamics 365 Business Central, Odoo, and Sage. Airwallex says it is PCI DSS Level 1 and SOC 2 Type II certified, encrypts data in transit and at rest, and requires two-factor authentication. Invoicing is free. Usage-based Billing and Subscription Management each cost $0.50 transaction; Subscription Management supports free trials and pricing discounts. The company presents the service for global businesses from startups to enterprises.

OpenBRM is an open-source billing and subscription management platform for telecom operators, ISPs, MVNOs, SaaS businesses, and enterprises. It combines recurring subscriptions, one-off charges, prepaid balances, and rated usage on customer-cycle invoices sent by email or PDF. Subscription operations cover plan changes, upgrades, downgrades, cancellation, and activation, with provisioning hooks; inventory tracks SIMs, MSISDNs, modems, and IP pools. An ecommerce storefront supports subscription sales with recurring billing and payment processing. OpenBRM incorporates the OpenRate rating engine, which the site says handles around 1,000 CDRs per second and accepts delimited, fixed-length, binary, TAP, and ASN.1 formats. Its CRM supports quotes, service tickets, bulk SMS and email notifications, and customer reminders. GUI functions are available through SOAP and REST APIs. The self-hosted package, including the rating engine and ecommerce component, has no licence fee. Saralam Technologies develops and supports OpenBRM and offers implementation, integration, and custom development services.